Can-closure.



PATENTED JU Y 17, 1906.

3. g. ALLYN. 7 CAN CLOSURE. APPLICATION FILED DECLZ, 1905.

4 SHEETSSHEBT 1,

PATENTED JULY 17 1906.

. R. s. ALLYN.

CAN 0LOSURE. 'APP IdATIoN FILED D20. 2, 1905.

4 SHEETS-SHEET 2.

z f m mm.

B HNVIIII IIF I I IIII .Mmt U PATENTED JULY 17, 1906. R. s. ALLYN. CANCLOSURE. APPLICATION FILED DEC. 2, 1905.

4 SHEETS-SHEET s.

I I (EMMA-M z No. 826,215. PATENTED JULY 17, 1906.

' R.S.ALLYI'N.

CAN CLOSURE. APPLIOATIQN FILED DELL-2, 1905. I v

4 SHEETS-SHEET 4.

18 i by; ago 0 o "UNITED STATES ROBERT s; )ALLYN, or NEW YO K; N. r.

CAN-CLOSURE.

Specification of Letters Patent.

Fatented July 17, 1906. I

hpplicetion filed December 2, 1905. Serial No. 289.9 27.

S. ALLrN, a

To-ztZZ till M1712, it 71mg concern; Be it known that 1, ROBERT citizenof the United States, residing at New York, county of'Kings, State ofNew York,

have invented certain new and-useful Imrovements in Can-(Alrisrires, ofwhich the fol- V owing is a full, clear, and exact description.

larly to frictiomclosures. 4 a The objectis to provide acan'particularly My invention relates to calls, and particuadapted forsafely retaining, shipping, and

dispensing fluids which can be manufactured at reasonable cost and whichmay be opened and closed repeatedly.

tioned main ring portion with a ledge at the specifically claimed hereinother applications.

-practice.

having an annular I am aware'that many so-called frictiontop cans havebeen heretofore proposed and that some of them have gone extensivelyinto use.

In its preferred form it consists inia can and a removable cover. Thetop has a horizontally posiouter edge and an elastic'vertically-poshtioned slightly-tapering flange portion at the,

inner edge forming a friction-seat Wall which hasan inclined annularshoulder. The cover hasa main horizontal disk-like central portion witha projecting rim and an elastic vertically-positioned slightly-taperingflange portion at its edge forming a friction-seat wall which has aninclined annular shoulder. The parts are so positionedand roportionedthat when the cover is pushed own in place the friction-seat walls fitsnugly together and the inclined shoulder of the cover snaps under theinclined'shoulder of the top, the clastic or springy quality of theparts tending to draw or force the cover down more firmly in place, thedisk portion of the cover being adjacentthe edge of the tOpfiange. I

The drawings illustrate several forms of cans of my invention, and therights to apply for and obtain patents for the forms not The parts areconstructed of sheet metal for instance, tinand require no packing ofjoints other than the frictioncand locking joints provided by the topand cover.

The figures are all fragmentary sectional views of can bodies, tops, andcovers, with the metal much I Figure 1 shows the preferred form which'isspecifically claimed'i'n this application. In. Fig. 1, 1 is the body,2 is the top, and3' is the are reserved forheavier than in ordinary.

cover. The top and body may be integral, but are preferably made ofseparate parts soldered together. The top has a ledge 4,

ring 5, friction-seat wallfi, and shoulder 7..

The'cover has a rim 8, iriction-scat wall 9, upturned edge 1%), andshoulder 11 The shoulder 7 snaps into the groot re between thedisk part3 0f the cover and the shoulder 11,-

drawing the cover down andrnaking awedge like joint against 3. The edgedo may be omitted. -Iii-this form the cover is protected from injury, isheld very tightly in place, butmay be readily pried off.

' Fig. 2 shows a form similar to Fig. 1,. but the edge 10 forms afriction-wall engaging the wall 5 of the top ringand affords anadditional seat.

In Fig. 3 the slightly-tapering elastic friction-seat wall 13 of the topterminatesin an outwardly-turned inclined shoulder 14,,preferablypreceded by the slightly inwardly curved groove 15.- q The friction-seatwall 17 of the cover has a groove 19, forming an inclined shoulder 20,on which the shoulder 14 shape as the cover is pushed down, the edge ofthe disk part 16 being adjacent the free edge 14 of the top, so as toafford considera ledge 18 is also near the rim 12. This can has a largecapacity.

Fig. 4 shows a form similar to Fig. 3 but the groove isat "the bottom ofthe triotion-seat 13 of the top and forms the inclined shoulder 14. Theinclined shoulder 20 snaps under the shoulder 14". This can does notrequire quite as much accuracy of construction.

In Fig. 5 the friction-seat 24 of the depressed top 23 terminates in a sring-flange Wit-ban inwardly-projecting inc ined shoulder 25 and anoutwardly-turned free edge26.

L lhe friction-seat 28 of the cover has an exterio'r' groove 29, formingthe shoulder 30. The inclined spring-shoulder 25 resses down on theinclined shoulder 30 of t 'e cover and e resistance to the expansiveforce. The

tends to draw the cover into closer contact I with its seat, as well asafi'ording a sharp line of contact. The ledge 22 and rim 27 are closetogether. The disk part 21 is adjacent theiree edge 26. This can be madecheaply, and the top drains well into the can.

Fig. 6 shows a form similar to Fig. 5 but the inclined shoulder 30 cfthe cover sna s into "the grooves 25. in the top ring, andt e shoulder26 makes another joint'benath the cover-disk 21.

Q l seams In Fig. 7 thefriction-seat wall 33 of the top ring has theshoulder 34. The cover-seat Fig. 8 shows 'a form similar to Fig. but

the shoulder 34 is of less diameter than the friction-seat 33. The Wall37 has the groove 38 to form the shoulder 39, which sna s under theshoulder 34. This cover may e put on easier than the cover of Fig. 7.

Each form has'its own advantages, either in cost or ase of construction,capacity, efficiency of joint, ease of o ening or case of closing, ordurability, W ich makes each formdesirable in particular cases.

What I claim is.

,1'. A friction-top can comprising a body, a sheet m'etal top ringhaving a wall affording a substantial friction-seat and an annular out-Wardly-turned flanged locking-shoulder, and a removable sheet-metalcover having a wall affording a substantial friction-seat, an exte-vriorly-projecting rim and an annular interior groove, said shoulderbeing adapted to snap into said groove. for drawing and holding saidcover down snugly on its seat.

2. A friction-top can comprising a body, a

sheet-n1etal top ring having a wall affording a substantial seat and anannular lockingshoulder, and a removable sheet-metal cover having a wallaffording a friction-seat and an annular shoulder beneath the under sideof the top, said top shoulder being adapted to snap over saidcover-shoulder and wedgebeheath the top fdr forming two tight joints inaddition to the friction seat engagement.

3; friction-top can comprising a body, a sheet-metal top ring having adownwardlyt'urned Wall with an upwardly-turned exten- Sion affording afriction-seat terminating in' an outwardlyturned elastic shoulder, and aremovable cover having a friction-seat, an exterior rim and an interiorshoulder over Which'said. elastic shoulder is adapted to. snap "whensaid seats are in engagement.

4. A friction-top can comprising a body, a

yiclding'sheet-metal top ring having a ledge, a wall affording afriction-seat of substantij area and an annular locking-shoulder, and aremovable yielding sheet-metal cover having a rim adjacent the ledge ofthe top ring, a wall affording a friction-seat, and an annular grooveinto which said shoulder is adapted to sna v I 5 A friction-top cancomprising a body, a sheet-metal top. ring having a slightly-taperingfriction-seat wall terminating in an annular outwardly-flaring elasticshoulder, and a removable cover having aslightly-tapering friction-seatWall and a shoulder adapted to be engaged by said top shoulder.

6. A friction-top can-closure comprising a top having a ledge, anupturned elastic friction-seat wall terminating in an outwardlyturnedshoulder, and a removable cover having an interior groove for theshoulder, a downturned friction-seat wall and a project D is in place.

7. A can-closure comprising the combination Wih a top member having aledge, an

annular horizontally-positioned ring and an elasticvertically-positioned slightly-tapering friction-seat wall, with acontinuous inclined locking-shoulder, of a cover member having a centraldisk-like portion, a projecting rim, and an elastic verticallyositionedslightlytapering friction-seat wallwitha continuous inclinedlocking-shoulder, the arts being so positioned and proportioned that theshoulders interlock and the elastic quality of the parts draws thefriction-seat Walls into closer engagement with each other the disk-likecentral portion of the cover being adjacent the free edge of the topflange when the shoulders are interlocked. I s

8. A friction-top can-closure comprising, a body, a top ring having aledge and a downwardly-turned flange with an upwardlyturned extens onforming a friction-seat wall and terminating in a locking-shoulder and aremovable cover having a projecting rim, a locking-groove for saidshoulder and a downwardly-turned flange forming a friction-seat walladapted to engage the upwardly-turned extension-wall of the top ring,said cover being free from contact with the downturned flange of saidtop ring.

I R()BERT S. ALLYN.

Witnesses:

CnAs. AQPEA D, G. V. RASMUSSEN.

